Q. Given that 4a:3=8:2.Find a.

Answer this question only if you know the 30 points and

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.